The present invention relates to compositions for and methods of retarding hair loss or facilitating hair growth comprising a hair growth active, a mixture of C12-C15 alkyl lactates and a viscosity modifying agent comprising at least one cellulose and/or a cellulose derivative. Clear compositions are also disclosed.本發明係關於一種延緩毛髮掉落或促進毛髮生長之組成物及方法,該組成物包含毛髮生長活性劑、乳酸C12-C15烷基酯之混合物、及黏度改質劑,該黏度改質劑包含至少一種纖維素及/或纖維素衍生物。亦揭示了澄清組成物。